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1 parent a1d1a44 commit c38dec0Copy full SHA for c38dec0
strings/capitalize.py
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+from string import ascii_lowercase, ascii_uppercase
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+
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+def capitalize(sentence: str) -> str:
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+ """
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+ This function will capitalize the first letter of a sentence or a word
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+ >>> capitalize("hello world")
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+ 'Hello world'
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+ >>> capitalize("123 hello world")
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+ '123 hello world'
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+ >>> capitalize(" hello world")
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+ ' hello world'
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+ >>> capitalize("a")
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+ 'A'
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+ >>> capitalize("")
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+ ''
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+ if not sentence:
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+ return ''
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+ lower_to_upper = {lc: uc for lc, uc in zip(ascii_lowercase, ascii_uppercase)}
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+ return lower_to_upper.get(sentence[0], sentence[0]) + sentence[1:]
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+if __name__ == "__main__":
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+ from doctest import testmod
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+ testmod()
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